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Effect of microstructure on edge wear mechanisms in WC-Co
Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering. (Materials Engineering, Materials Science)ORCID iD: 0000-0002-9441-2502
Karlstad University, Faculty of Technology and Science, Materials Science. Karlstad University, Faculty of Technology and Science, Department of Mechanical and Materials Engineering.
2007 (English)In: International Journal of Refractory Metals and Hard Materials, ISSN 0958-0611, Vol. 25, no 2, p. 171-178Article in journal (Refereed) Published
Abstract [en]

Edge wear of nano to coarse WC–Co grades was investigated under two-body abrasion conditions using SiC abrasive at 2 and 15 N loads. With the fine abrasive utilized, a transition from homogeneous plowing in submicron grades to inhomogeneous grains pullout in coarse hardmetals was observed at the beginning stages. At final stages, plowing was detected in all the grades. When using the coarse abrasive, for all grades, flaking at the beginning and plowing at the final stages occurred. The performed numerical finite element simulation of the microstructural mechanical response showed good agreement to experimental results and was discussed in relation to the operative wear mechanisms observed. The found results demonstrated a remarkable influence of microstructure and abrasive size on the heterogeneous to homogeneous wear mechanisms transition at initial stages

Place, publisher, year, edition, pages
Elsevier, 2007. Vol. 25, no 2, p. 171-178
Keywords [en]
Hardmetal; Nanocomposite; Abrasive wear; Edge wear mechanisms; Microstructure
National Category
Materials Engineering
Research subject
Materials Engineering
Identifiers
URN: urn:nbn:se:kau:diva-18574DOI: 10.1016/j.ijrmhm.2006.04.004ISI: 000243808200009OAI: oai:DiVA.org:kau-18574DiVA, id: diva2:592211
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2017-06-22Bibliographically approved

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Krakhmalev, PavelGåård, Anders

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